Lichens, which are capable of initiating ecological succession even on a bare rock, are actually a symbiotic association of
Aalgae and bacteria
Balgae and fungi
Cbacteria and fungi
Dfungi and mosses
Answer & Solution
Correct answer: B. algae and fungi
UPSC CSE Prelims 2014 (GS-I, Set A), Q.22. Official answer key: B.
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